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US National Science Foundation Division of Ocean Sciences
Index to Marine and Lacustrine Geological Samples (IMLGS)

Repository: International Ocean Discovery Program
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Ship: Glomar Challenger
Cruise: 63
Hole: 468
Device: drill
Latitude: 32.617
Longitude: -120.118
Water Depth(m): 1849
Date: 19781021
IGSN: ODP010250
Core length (cm): 23165
Diameter (cm): 7
Storage: refrigerated
1 :    468 1   0 to 19
Primary composition: calcareous, nannofossils
Primary texture: muddy sand
Components: calcareous, foraminifera
Geologic Age: Quaternary
Comments: AVG.DEN=1.19
2 :    468 1   19 to 145
Primary composition: calcareous, nannofossils
Geologic Age: Quaternary
Comments: AVG.DEN=1.53
3 :    468 1   150 to 215
Primary composition: calcareous, nannofossils
Components: calcareous, foraminifera
Geologic Age: Pliocene
Comments: AVG.DEN=1.64
4 :    468 1   215 to 240
Primary composition: terrigenous
Components: clay minerals
Geologic Age: Pliocene
Comments: AVG.DEN=1.72
5 :    468 1   250 to 260
Primary composition: calcareous, nannofossils
Components: calcareous, foraminifera
Geologic Age: Pliocene
6 :    468 2   350 to 500
Primary composition: calcareous, nannofossils
Components: clay minerals
Geologic Age: Pliocene
Comments: AVG.DEN=1.47
7 :    468 2   500 to 650
Primary composition: calcareous, biogenic
Geologic Age: Tertiary
8 :    468 2   650 to 751
Primary composition: calcareous, biogenic
Geologic Age: Tertiary
9 :    468 2   800 to 915
Primary composition: calcareous, nannofossils
Geologic Age: Tertiary
Comments: AVG.DEN=1.41
10 :    468 2   925 to 930
Primary composition: calcareous, nannofossils
Geologic Age: Tertiary
11 :    468 3   1300 to 1310
Primary composition: calcareous, nannofossils
Geologic Age: Tertiary
Comments: AVG.DEN=1.19
12 :    468 3   1450 to 1565
Primary composition: calcareous, nannofossils
Geologic Age: Miocene
13 :    468 3   1565 to 1600
Primary composition: calcareous, nannofossils
Geologic Age: Miocene
14 :    468 3   1600 to 1750
Primary composition: calcareous, nannofossils
Components: siliceous, diatoms
Geologic Age: Miocene
Comments: AVG.DEN=1.41
15 :    468 3   1750 to 1900
Primary composition: calcareous, biogenic
Geologic Age: Miocene
16 :    468 3   1900 to 2050
Primary composition: calcareous, biogenic
Geologic Age: Miocene
Comments: AVG.DEN=1.40
17 :    468 3   2050 to 2085
Primary composition: calcareous, biogenic
Geologic Age: Miocene
18 :    468 3   2103 to 2113
Primary composition: calcareous, biogenic
Geologic Age: Miocene
19 :    468 4   2250 to 2400
Primary composition: calcareous, biogenic
Geologic Age: Miocene
20 :    468 4   2400 to 2532
Primary composition: calcareous, biogenic
Geologic Age: Miocene
Comments: AVG.DEN=1.34
21 :    468 4   2532 to 2550
Primary composition: calcareous, nannofossils
Components: siliceous, diatoms
Geologic Age: Miocene
Comments: AVG.DEN=1.31
22 :    468 4   2550 to 2700
Primary composition: calcareous, nannofossils
Components: siliceous, diatoms
Geologic Age: Miocene
23 :    468 4   2705 to 2850
Primary composition: calcareous, biogenic
Geologic Age: Miocene
Comments: AVG.DEN=1.38
24 :    468 4   2850 to 2962
Primary composition: calcareous, biogenic
Geologic Age: Miocene
25 :    468 4   2972 to 2977
Primary composition: calcareous, biogenic
Geologic Age: Miocene
26 :    468 5   3200 to 3350
Primary composition: calcareous, nannofossils
Geologic Age: Miocene
27 :    468 5   3350 to 3500
Primary composition: calcareous, nannofossils
Geologic Age: Miocene
Comments: AVG.DEN=1.54
28 :    468 5   3500 to 3630
Primary composition: calcareous, biogenic
Geologic Age: Miocene
29 :    468 5   3630 to 3650
Primary composition: calcareous, biogenic
Geologic Age: Miocene
30 :    468 5   3650 to 3795
Primary composition: calcareous, biogenic
Geologic Age: Miocene
Comments: AVG.DEN=1.63
31 :    468 5   3800 to 3927
Primary composition: calcareous, nannofossils
Components: siliceous, diatoms
Geologic Age: Miocene
32 :    468 5   3937 to 3941
Primary composition: calcareous, nannofossils
Geologic Age: Miocene
33 :    468 6   4150 to 4300
Primary composition: siliceous, diatoms
Components: clay minerals
Geologic Age: Miocene
Comments: AVG.DEN=1.35
34 :    468 6   4300 to 4450
Primary composition: siliceous, diatoms
Components: clay minerals
Geologic Age: Miocene
35 :    468 6   4450 to 4600
Primary composition: siliceous, diatoms
Components: clay minerals
Geologic Age: Miocene
Comments: AVG.DEN=1.46
36 :    468 6   4600 to 4750
Primary composition: siliceous, diatoms
Components: clay minerals
Geologic Age: Miocene
37 :    468 6   4750 to 4852
Primary composition: siliceous, diatoms
Components: clay minerals
Geologic Age: Miocene
Comments: AVG.DEN=1.53
38 :    468 6   4900 to 5050
Primary composition: siliceous, diatoms
Components: clay minerals
Geologic Age: Miocene
39 :    468 6   5060 to 5079
Primary composition: siliceous, diatoms
Components: clay minerals
Geologic Age: Miocene
40 :    468 7   5100 to 5250
Primary composition: calcareous, nannofossils
Geologic Age: Miocene
Comments: AVG.DEN=1.47
41 :    468 7   5250 to 5400
Primary composition: calcareous, nannofossils
Components: siliceous, diatoms
Geologic Age: Miocene
42 :    468 7   5400 to 5550
Primary composition: siliceous, diatoms
Components: calcareous, nannofossils
Geologic Age: Miocene
Comments: AVG.DEN=1.48
43 :    468 7   5550 to 5700
Primary composition: siliceous, diatoms
Geologic Age: Miocene
44 :    468 7   5700 to 5850
Primary composition: siliceous
Geologic Age: Miocene
Comments: AVG.DEN=1.51
45 :    468 7   5850 to 5965
Primary composition: siliceous
Geologic Age: Miocene
46 :    468 7   5965 to 6000
Primary composition: siliceous
Geologic Age: Miocene
47 :    468 7   6000 to 6030
Primary composition: siliceous, diatoms
Components: siliceous, sponge spicules
clay minerals
Geologic Age: Miocene
48 :    468 7   6052 to 6071
Primary composition: siliceous
Geologic Age: Miocene
49 :    468 8   6050 to 6085
Primary composition: siliceous, diatoms
Components: calcareous, nannofossils
Geologic Age: Miocene
Comments: AVG.DEN=1.48
50 :    468 8   6085 to 6200
Primary composition: siliceous, diatoms
Components: siliceous, sponge spicules
calcareous, nannofossils
Geologic Age: Miocene
Comments: AVG.DEN=1.49
51 :    468 8   6200 to 6230
Primary composition: siliceous
Geologic Age: Miocene
Comments: AVG.DEN=1.52
52 :    468 8   6230 to 6350
Primary composition: siliceous, diatoms
Components: siliceous, sponge spicules
Geologic Age: Miocene
Comments: AVG.DEN=1.58
53 :    468 8   6350 to 6411
Primary composition: siliceous, diatoms
Geologic Age: Miocene
54 :    468 8   6422 to 6426
Primary composition: siliceous, diatoms
Geologic Age: Miocene
55 :    468 9   7005 to 7150
Primary composition: calcareous, nannofossils
Geologic Age: Miocene
Comments: AVG.DEN=1.55
56 :    468 9   7150 to 7300
Primary composition: siliceous, diatoms
Components: calcareous, nannofossils
Geologic Age: Miocene
57 :    468 9   7300 to 7450
Primary composition: calcareous, nannofossils
Components: siliceous, diatoms
Geologic Age: Miocene
Comments: AVG.DEN=1.58
58 :    468 9   7450 to 7600
Primary composition: calcareous, nannofossils
Components: siliceous, diatoms
Geologic Age: Miocene
59 :    468 9   7600 to 7668
Primary composition: calcareous, nannofossils
Components: siliceous, diatoms
Geologic Age: Miocene
Comments: AVG.DEN=1.64
60 :    468 9   7668 to 7717
Primary composition: terrigenous
Components: clay minerals
siliceous, diatoms
Geologic Age: Miocene
Comments: AVG.DEN=1.67
61 :    468 9   7717 to 7750
Primary composition: calcareous, nannofossils
Components: siliceous, diatoms
Geologic Age: Miocene
Comments: AVG.DEN=1.62
62 :    468 9   7750 to 7852
Primary composition: calcareous, nannofossils
Components: siliceous, diatoms
Geologic Age: Miocene
63 :    468 9   7900 to 7926
Primary composition: calcareous, nannofossils
Components: siliceous, diatoms
Geologic Age: Miocene
64 :    468 9   7936 to 7961
Primary composition: calcareous, nannofossils
Components: siliceous, diatoms
Geologic Age: Miocene
65 :    468 10   7955 to 8100
Primary composition: calcareous, nannofossils
Components: siliceous, diatoms
Geologic Age: Miocene
66 :    468 10   8100 to 8250
Primary composition: terrigenous
Components: calcareous, nannofossils
siliceous, diatoms
Geologic Age: Miocene
Comments: AVG.DEN=1.59
67 :    468 10   8250 to 8262
Primary composition: terrigenous
Components: calcareous, nannofossils
siliceous, diatoms
Geologic Age: Miocene
68 :    468 10   8262 to 8400
Primary composition: calcareous, nannofossils
Components: clay minerals
Geologic Age: Miocene
69 :    468 10   8400 to 8542
Primary composition: calcareous, nannofossils
Components: clay minerals
Geologic Age: Miocene
Comments: AVG.DEN=1.66
70 :    468 10   8550 to 8625
Primary composition: calcareous, nannofossils
Components: clay minerals
Geologic Age: Miocene
71 :    468 10   8625 to 8648
Primary composition: terrigenous
Components: glauconite
Geologic Age: Miocene
72 :    468 10   8660 to 8677
Geologic Age: Miocene
73 :    468 11   8900 to 8940
Geologic Age: Miocene
74 :    468 11   8940 to 9020
Primary composition: terrigenous
Components: clay minerals
calcareous, nannofossils
Geologic Age: Miocene
75 :    468 11   9020 to 9050
Primary composition: terrigenous
Geologic Age: Miocene
76 :    468 11   9050 to 9150
Primary composition: terrigenous
Geologic Age: Miocene
77 :    468 11   9180 to 9185
Primary composition: terrigenous
Geologic Age: Miocene
78 :    468 12   9860 to 9885
Primary composition: terrigenous
Geologic Age: Miocene
79 :    468 13   10800 to 10809
Primary composition: terrigenous
Geologic Age: Miocene
80 :    468 13   10809 to 10815
Primary composition: terrigenous
Geologic Age: Miocene
81 :    468 13   10816 to 10921
Primary texture: terrigenous clastic sedimentary rock
Components: clay minerals
Geologic Age: Miocene
Comments: AVG.DEN=1.59
82 :    468 14   11760 to 11765
Primary texture: terrigenous clastic sedimentary rock
Geologic Age: Miocene
83 :    468 15   12710 to 12725
Primary texture: terrigenous clastic sedimentary rock
Geologic Age: Miocene
84 :    468 16   13660 to 13665
Primary texture: terrigenous clastic sedimentary rock
Geologic Age: Miocene
85 :    468 17   14610 to 14635
Primary texture: terrigenous clastic sedimentary rock
Geologic Age: Miocene
86 :    468 18   15550 to 15700
Primary composition: calcareous, nannofossils
Components: clay minerals
Geologic Age: Miocene
Comments: AVG.DEN=1.67
87 :    468 18   15700 to 15713
Primary composition: calcareous, nannofossils
Geologic Age: Miocene
Comments: AVG.DEN=1.71
88 :    468 18   15713 to 15850
Primary composition: calcareous, nannofossils
Components: clay minerals
Geologic Age: Miocene
Comments: AVG.DEN=1.66
89 :    468 18   15850 to 15950
Primary composition: terrigenous
Components: calcareous, nannofossils
siliceous, diatoms
Geologic Age: Miocene
Comments: AVG.DEN=1.68
90 :    468 18   16000 to 16145
Primary composition: terrigenous
Components: calcareous, nannofossils
siliceous, diatoms
Geologic Age: Miocene
Comments: AVG.DEN=1.66
91 :    468 18   16150 to 16243
Primary composition: terrigenous
Components: calcareous, nannofossils
siliceous, diatoms
Geologic Age: Miocene
Comments: AVG.DEN=1.68
92 :    468 18   16253 to 16268
Primary composition: terrigenous
Components: calcareous, nannofossils
siliceous, diatoms
Geologic Age: Miocene
93 :    468 19   16504 to 16513
Primary composition: terrigenous
Components: calcareous, nannofossils
siliceous, diatoms
Geologic Age: Miocene
94 :    468 19   16513 to 16518
Primary composition: terrigenous
Components: calcareous, nannofossils
siliceous, diatoms
Geologic Age: Miocene
95 :    468 20   17460 to 17470
Primary composition: terrigenous
Components: calcareous, nannofossils
siliceous, diatoms
Geologic Age: Miocene
96 :    468 20   17460 to 17470
Primary texture: terrigenous clastic sedimentary rock
Geologic Age: Miocene
97 :    468 21   18400 to 18431
Primary composition: terrigenous
Components: siliceous, diatoms
Geologic Age: Miocene
98 :    468 21   18431 to 18444
Primary texture: terrigenous clastic sedimentary rock
Components: dolomite
Geologic Age: Miocene
99 :    468 21   18444 to 18502
Primary composition: terrigenous
Components: clay minerals
Geologic Age: Miocene
Comments: AVG.DEN=1.54
100 :    468 21   18511 to 18520
Primary composition: terrigenous
Components: calcareous, nannofossils
siliceous, diatoms
Geologic Age: Miocene
101 :    468 22   19360 to 19368
Primary texture: terrigenous clastic sedimentary rock
Components: dolomite
Geologic Age: unknown
102 :    468 22   19358 to 19380
Primary composition: terrigenous
Geologic Age: unknown
103 :    468 23   20300 to 20335
Primary composition: terrigenous
Geologic Age: Miocene
104 :    468 23   20346 to 20353
Primary composition: terrigenous
Geologic Age: Miocene
105 :    468 24   21259 to 21281
Primary texture: terrigenous clastic sedimentary rock
Geologic Age: Miocene
106 :    468 25   22210 to 22215
Primary composition: terrigenous
Geologic Age: unknown
107 :    468 25   22205 to 22227
Geologic Age: unknown
Comments: NO LITH CODE. ULAR MICROCRYSTALLINE IGNEOUS (INTERMEDIA... TE) ANDESITIC ROCK
108 :    468 26   23160 to 23165
Geologic Age: unknown
Comments: NO LITH CODE. VESICULAR ANDESITES
_



When you refer to individual samples/data in the IMLGS, please cite each source repository whose data you use.

More Information and how to cite the IMLGS: doi:10.7289/V5H41PB8.


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